MEROCA 500mAH Bicycle Rear Light USB Charging High Brightness 100 lumens Warning Light MTB Road Bike Light Brand: MEROCA Model: XC02 Lumens: 100 Flood light angle: 180 Weight: about 64g for seat cushion; about 56g for seat tube Lamp beads: 3014-24pcs+1pcs/3535 Battery: 500mAh 180 degree illumination angle, IPX6 waterproof bicycle taillight. Remaining battery reminder When the taillight is not used for a long time, it needs to be charged once every 3 months to avoid damage to the battery and cause it to be unusable. Smart brake sensor During riding, the tail light will light up at maximum brightness when it senses the brake. At the same time, the spotlight increases the range to remind teammates and passersby in the distance. There are two styles of taillights to choose from